79954740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 271547640

約数和(自身を除く): 191592900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 29, 30, 34, 36, 45, 51, 53, 58, 60, 68, 85, 87, 90, 102, 106, 116, 145, 153, 159, 170, 174, 180, 204, 212, 255, 261, 265, 289, 290, 306, 318, 340, 348, 435, 477, 493, 510, 522, 530, 578, 580, 612, 636, 765, 795, 867, 870, 901, 954, 986, 1020, 1044, 1060, 1156, 1305, 1445, 1479, 1530, 1537, 1590, 1734, 1740, 1802, 1908, 1972, 2385, 2465, 2601, 2610, 2703, 2890, 2958, 3060, 3074, 3180, 3468, 3604, 4335, 4437, 4505, 4611, 4770, 4930, 5202, 5220, 5406, 5780, 5916, 6148, 7395, 7685, 8109, 8381, 8670, 8874, 9010, 9222, 9540, 9860, 10404, 10812, 13005, 13515, 13833, 14790, 15317, 15370, 16218, 16762, 17340, 17748, 18020, 18444, 22185, 23055, 25143, 26010, 26129, 27030, 27666, 29580, 30634, 30740, 32436, 33524, 40545, 41905, 44370, 45951, 46110, 50286, 52020, 52258, 54060, 55332, 61268, 69165, 75429, 76585, 78387, 81090, 83810, 88740, 91902, 92220, 100572, 104516, 125715, 130645, 137853, 138330, 150858, 153170, 156774, 162180, 167620, 183804, 229755, 235161, 251430, 261290, 275706, 276660, 301716, 306340, 313548, 377145, 391935, 444193, 459510, 470322, 502860, 522580, 551412, 689265, 754290, 783870, 888386, 919020, 940644, 1175805, 1332579, 1378530, 1508580, 1567740, 1776772, 2220965, 2351610, 2665158, 2757060, 3997737, 4441930, 4703220, 5330316, 6662895, 7995474, 8883860, 13325790, 15990948, 19988685, 26651580, 39977370, 79954740]

約数ペア:

[(1, 79954740), (2, 39977370), (3, 26651580), (4, 19988685), (5, 15990948), (6, 13325790), (9, 8883860), (10, 7995474), (12, 6662895), (15, 5330316), (17, 4703220), (18, 4441930), (20, 3997737), (29, 2757060), (30, 2665158), (34, 2351610), (36, 2220965), (45, 1776772), (51, 1567740), (53, 1508580), (58, 1378530), (60, 1332579), (68, 1175805), (85, 940644), (87, 919020), (90, 888386), (102, 783870), (106, 754290), (116, 689265), (145, 551412), (153, 522580), (159, 502860), (170, 470322), (174, 459510), (180, 444193), (204, 391935), (212, 377145), (255, 313548), (261, 306340), (265, 301716), (289, 276660), (290, 275706), (306, 261290), (318, 251430), (340, 235161), (348, 229755), (435, 183804), (477, 167620), (493, 162180), (510, 156774), (522, 153170), (530, 150858), (578, 138330), (580, 137853), (612, 130645), (636, 125715), (765, 104516), (795, 100572), (867, 92220), (870, 91902), (901, 88740), (954, 83810), (986, 81090), (1020, 78387), (1044, 76585), (1060, 75429), (1156, 69165), (1305, 61268), (1445, 55332), (1479, 54060), (1530, 52258), (1537, 52020), (1590, 50286), (1734, 46110), (1740, 45951), (1802, 44370), (1908, 41905), (1972, 40545), (2385, 33524), (2465, 32436), (2601, 30740), (2610, 30634), (2703, 29580), (2890, 27666), (2958, 27030), (3060, 26129), (3074, 26010), (3180, 25143), (3468, 23055), (3604, 22185), (4335, 18444), (4437, 18020), (4505, 17748), (4611, 17340), (4770, 16762), (4930, 16218), (5202, 15370), (5220, 15317), (5406, 14790), (5780, 13833), (5916, 13515), (6148, 13005), (7395, 10812), (7685, 10404), (8109, 9860), (8381, 9540), (8670, 9222), (8874, 9010)]